CN117491761B - DC charging pile testing device and testing method - Google Patents
DC charging pile testing device and testing method Download PDFInfo
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- CN117491761B CN117491761B CN202311130047.5A CN202311130047A CN117491761B CN 117491761 B CN117491761 B CN 117491761B CN 202311130047 A CN202311130047 A CN 202311130047A CN 117491761 B CN117491761 B CN 117491761B
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- 238000012360 testing method Methods 0.000 title claims abstract description 113
- 238000001514 detection method Methods 0.000 claims abstract description 9
- 238000000034 method Methods 0.000 claims abstract description 6
- 238000005192 partition Methods 0.000 claims description 23
- 239000007788 liquid Substances 0.000 claims description 18
- 239000004065 semiconductor Substances 0.000 claims description 17
- 239000007921 spray Substances 0.000 claims description 15
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 12
- 238000009413 insulation Methods 0.000 claims description 11
- 239000010410 layer Substances 0.000 claims description 9
- 238000009529 body temperature measurement Methods 0.000 claims description 7
- 239000011229 interlayer Substances 0.000 claims description 6
- 238000010438 heat treatment Methods 0.000 claims description 5
- 238000012546 transfer Methods 0.000 claims description 5
- 238000002347 injection Methods 0.000 claims description 3
- 239000007924 injection Substances 0.000 claims description 3
- 238000005507 spraying Methods 0.000 claims description 3
- 238000000926 separation method Methods 0.000 claims description 2
- 238000010998 test method Methods 0.000 claims description 2
- 238000002485 combustion reaction Methods 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 5
- 238000005057 refrigeration Methods 0.000 description 5
- 238000003756 stirring Methods 0.000 description 5
- 238000001816 cooling Methods 0.000 description 4
- 239000000243 solution Substances 0.000 description 4
- 230000001681 protective effect Effects 0.000 description 2
- 238000009423 ventilation Methods 0.000 description 2
- GQWNECFJGBQMBO-UHFFFAOYSA-N Molindone hydrochloride Chemical compound Cl.O=C1C=2C(CC)=C(C)NC=2CCC1CN1CCOCC1 GQWNECFJGBQMBO-UHFFFAOYSA-N 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
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- 230000005611 electricity Effects 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 description 1
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K13/00—Thermometers specially adapted for specific purposes
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R1/00—Details of instruments or arrangements of the types included in groups G01R5/00 - G01R13/00 and G01R31/00
- G01R1/02—General constructional details
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R1/00—Details of instruments or arrangements of the types included in groups G01R5/00 - G01R13/00 and G01R31/00
- G01R1/02—General constructional details
- G01R1/04—Housings; Supporting members; Arrangements of terminals
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/003—Environmental or reliability tests
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/50—Testing of electric apparatus, lines, cables or components for short-circuits, continuity, leakage current or incorrect line connections
- G01R31/52—Testing for short-circuits, leakage current or ground faults
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/50—Testing of electric apparatus, lines, cables or components for short-circuits, continuity, leakage current or incorrect line connections
- G01R31/56—Testing of electric apparatus
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/20009—Modifications to facilitate cooling, ventilating, or heating using a gaseous coolant in electronic enclosures
- H05K7/20136—Forced ventilation, e.g. by fans
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/2039—Modifications to facilitate cooling, ventilating, or heating characterised by the heat transfer by conduction from the heat generating element to a dissipating body
- H05K7/20436—Inner thermal coupling elements in heat dissipating housings, e.g. protrusions or depressions integrally formed in the housing
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
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- Secondary Cells (AREA)
Abstract
The invention relates to the technical field of charging pile detection, and discloses a direct current charging pile testing device and a testing method, wherein the testing device comprises a main body structure, a testing structure and a temperature measuring structure; the testing structure is detachably arranged in the main body structure, the temperature measuring structure is detachably arranged on the main body structure, and the supporting structure is detachably arranged below the main body structure; through the test assembly of each area, the test detection under four different states is realized; the voltage and current of the charging pile, the safety of the charging pile in use under rainwater and whether the charging pile is safe in use under a low-temperature state can be detected through the test structure; and the method can also measure whether the power line of the charging gun on the charging pile is overheated under the short circuit state and the normal use state, and has the danger of high-temperature electric combustion.
Description
Technical Field
The invention relates to the technical field of charging pile detection, in particular to a direct current charging pile testing device and a testing method.
Background
The direct-current electric vehicle charging station is commonly called as 'quick charge', is a power supply device which is fixedly arranged outside an electric vehicle and is connected with an alternating-current power grid and can provide direct-current power for a power battery of an off-vehicle electric vehicle; the input voltage of the direct-current charging pile adopts three-phase four-wire AC 380V +/-15%, the frequency is 50Hz, the output is adjustable direct current, and the direct-current charging pile directly charges a power battery of an electric automobile; the existing charging station is provided with a plurality of charging piles, the interiors of the charging piles are provided with empty openings for protection, and for charging of automobiles, each charging pile is provided with a charging gun; however, in the current new energy electric automobile, frequent power generation, thermal power and fuel accidents occur in the charging process, and the charging gun leaks electricity, so that the safety requirement of a charging pile is tested, and a direct current charging pile testing device is designed.
Disclosure of Invention
The invention aims to provide a direct-current charging pile testing device and a direct-current charging pile testing method, which are used for solving the problem of safety detection aiming at charging piles and charging guns in different modes.
In order to achieve the above purpose, the present invention provides the following technical solutions: a direct current fills electric pile testing arrangement, including main body structure, test structure and temperature measurement structure; the test structure is detachably arranged in the main body structure, and the temperature measuring structure is detachably arranged on the main body structure.
Preferably, the main body structure comprises a main body box, a box cover, a first display screen, a first touch screen, two pairs of connecting plates, a storage battery and a water filling port; the main body box is of an upper wall-free box body structure, a pair of interlayer plates are embedded near the bottom end fixing, the interlayer plates divide the main body box into an upper layer, a middle layer and a lower layer, first slots are formed in the positions, close to four corners, in the main body box, plug connectors are formed in the middle parts of the left side wall and the right side wall of the main body box and the middle parts of the front side wall and the rear side wall of the main body box, a toggle slot is formed in the front side of one plug connector, the box cover is detachably fastened on the main body box, an installing opening is formed in the middle part of the upper wall of the box cover, a first display screen is fixedly arranged in the left side wall of the main body box, the first touch screen is fixedly embedded in the left side wall of the main body box and is located below the first display screen, two pairs of connecting plates are movably embedded in the top ends of the plug connectors respectively, charging connecting holes are formed in the middle parts of the connecting plates, the storage battery is fixedly arranged between the partition plates, the storage battery can be charged, one end of the water injection port is fixedly embedded in the front side wall of the main body box, and is located below the partition plate.
Preferably, the test structure comprises a cavity separation frame, two pairs of charging sockets, a first test assembly, a second test assembly, a third test assembly and a fourth test assembly; divide chamber frame straight tube portion to be rectangular body structure, and four corners position department all is provided with the division board, divide chamber frame to be close to four lateral walls on top all to be provided with a plurality of ventilation holes, divide the chamber frame to insert the first slot of main part incasement through dividing the division board in settling, and divide into four regions with main part incasement top inner chamber, two pairs charging socket can dismantle the arrangement respectively in divide chamber frame lateral wall middle part, and charging socket is provided with the protection silk in, first test subassembly, second test subassembly, third test subassembly and fourth test subassembly can dismantle the arrangement respectively on dividing the chamber frame, and are located an region respectively to it is corresponding with the connecting plate respectively.
Preferably, the first test assembly includes a voltage detector and a current detector; the voltage detector is fixedly arranged on one of the partition plate side walls, the current detector is fixedly arranged on the other partition plate side wall and corresponds to the voltage detector, and the voltage detector and the current detector are respectively connected with one of the charging sockets in series through wires and are respectively connected with the first display screen.
Preferably, the second test assembly comprises a fan and a semiconductor refrigeration piece, the fan is fixedly embedded in the mounting opening of the box cover, the fan is connected with the other charging socket through a wire, the semiconductor refrigeration piece is fixedly embedded in one side wall of the cavity separating frame and is positioned above the other charging socket, the heating surface of the semiconductor refrigeration piece is positioned in the cavity separating frame, and the fan and the semiconductor refrigeration piece are respectively connected with the other charging socket in series through wires.
Preferably, the third test assembly comprises a liquid pump and a spray head; the liquid pump is fixedly arranged on the lower wall in the main body box and is positioned below the partition plate, the spray head is detachably arranged on the side wall of the cavity separating frame and is positioned above another charging socket, the spray head is connected with the liquid outlet end of the liquid pump through a pipeline, the liquid pump is respectively connected with the storage battery and the first touch screen, and the lower wall in one area in the main body box is provided with a water outlet and is positioned below the spray head.
Preferably, the fourth testing component comprises a protection unit, a switching unit, a short circuit unit, a lamp holder and a bulb; the protection unit is fixedly arranged on one of the side walls of the main body box and is positioned at the rear side of the toggle groove, the switching unit is fixedly arranged on the side wall of the cavity dividing frame and is positioned above the last charging socket, the short circuit unit is movably embedded in the toggle groove, the lamp holder is fixedly penetrated through the upper wall of the box cover, the lamp holder is connected with the switching unit through a wire, and the bulb is detachably arranged on the lamp holder.
Preferably, the protection unit comprises a protection box, a box cover, a pair of safety frames and a fuse; the protection box is fixed to be set up in the main part case lateral wall, and is located and stir the groove rear side, protection box front wall left end is provided with the sliding tray that is linked together with inside upper and lower both sides wall, lid one end activity cartridge is in the sliding tray, and is located the protection box, a pair of safe one end is fixed respectively and is run through in protection box upper wall, and the safe other end is located the protection respectively and corresponds, fuse both ends can be dismantled respectively and set up between the safe other end, and one of them safe one end passes through the wire and links to each other with last socket one end that charges.
Preferably, the switching unit comprises a switching frame, a pair of three-way conducting tubes, a plurality of jacking screws and a first conducting rod; the switching frame can be dismantled and set up on dividing the chamber frame lateral wall, a pair of tee bend electrically conductive pipe is fixed respectively to be inlayed on switching frame both ends, first tee bend electrically conductive pipe's one end passes through the wire and links to each other with the lamp stand, the second tee bend electrically conductive pipe's one end passes through the wire and links to each other with the other one end of socket that charges, the second tee bend electrically conductive pipe's second end passes through the wire and links to each other with another safety frame one end, a plurality of tight screw in top activity respectively articulates in tee bend electrically conductive pipe three-terminal, the cartridge is dismantled in the third of second tee bend electrically conductive pipe to first electrically conductive pole one end.
Preferably, the short-circuit unit comprises an insulating slide bar, a spring and a second conducting rod; the insulation slide bar is movably embedded in the stirring groove, the insulation slide bar is of an L-shaped structure, one end of the spring is fixedly embedded in the lower wall in the stirring groove, the other end of the spring is fixedly connected to the lower wall of the insulation slide bar, one end of the second conductive rod is fixedly arranged at the other end of the insulation slide bar and is positioned in the main body box, the second conductive rod is connected with the third end of the first three-way conductive tube through a wire, and the second conductive rod can move upwards by means of the insulation slide bar and can be in contact with the first conductive rod.
Preferably, the temperature measuring structure comprises a fixing frame, a mounting bolt, a swinging arm and a plurality of temperature sensors; the fixing frame is of a Y-shaped structure, two ends of the fixing frame are detachably arranged on one pair of adjacent side walls of the main body box respectively, the mounting bolts are movably screwed into the other end of the fixing frame, one end of the swinging arm is movably embedded into the other end of the fixing frame and is movably sleeved on the mounting bolts, the swinging arm can be parallel to the two side walls of the main body box respectively, a plurality of wire slots are formed in the side walls of the other end of the swinging arm at equal intervals, a plurality of temperature sensors are fixedly arranged on the inner side walls of the wire slots respectively, and the temperature sensors are connected with the first display screen respectively.
The test method of the direct current charging pile test device comprises the following steps: step one, detecting a charging gun of an automobile charging pile by connecting the charging gun with a test structure; step two, the voltage and current values in the normal state can be detected through the first test component; step three, by means of the second testing component, whether the power supply of the charging gun on the charging pile is safe or not in a low-temperature state can be simulated; step four, simulating whether the power supply of the charging gun is safe or not in a rainy day state by means of a third test assembly; step five, can make the bulb work with the help of the power supply of charging stake with the help of fourth test assembly to short circuit to the bulb, detect whether the charging stake can trip out the protection and cooperate with temperature measurement structure, carry out the temperature measurement to the electric wire of charging gun, whether can overheat, electric combustion.
The invention provides a direct current charging pile testing device and a testing method, which have the beneficial effects that:
1. the portable split type solar cell is convenient to carry through the main body structure, and is divided into four areas by the cavity splitting frame; and through the test assembly of each area, the test detection under four different states is realized.
2. The invention can detect the voltage and current of the charging pile, the safety of the charging pile under the rain water and whether the charging pile is safe to use under the low temperature state through the test structure.
3. The invention can also measure whether the power line of the charging gun on the charging pile is overheated under the short circuit state and the normal use state, and has the danger of high-temperature electric combustion.
Drawings
Fig. 1 is a schematic view of an assembly structure of the present invention.
Fig. 2 is a schematic diagram of a first split structure according to the present invention.
Fig. 3 is a schematic diagram of a second split structure of the present invention.
Fig. 4 is a schematic diagram of a third split structure according to the present invention.
Fig. 5 is a schematic view of a first group of structures according to the present invention.
Fig. 6 is a schematic diagram of a second assembly structure of the present invention.
Fig. 7 is a schematic view of a third assembly structure of the present invention.
Fig. 8 is a schematic diagram showing a connection and display structure of a fourth test assembly according to the present invention.
Fig. 9 is a schematic view of a partial enlarged structure at a in fig. 3 according to the present invention.
Fig. 10 is a schematic view of a partial enlarged structure at B in fig. 3 according to the present invention.
Fig. 11 is a schematic view of a partial enlarged structure at C in fig. 3 according to the present invention.
Fig. 12 is a schematic view of a partially enlarged structure at D in fig. 4 according to the present invention.
In the figure: 1. a main body structure; 11. a main body box; 12. a case cover; 13. a first display screen; 14. a first touch screen; 15. a connecting plate; 16. a storage battery; 17. a water filling port; 2. a test structure; 21. a cavity separating frame; 22. a charging socket; 23. a first test assembly; 231. a voltage detector; 232. a current detector; 24. a second test assembly; 241. a fan; 242. a semiconductor refrigeration sheet; 25. a third test assembly; 251. a liquid pump; 252. a spray head; 26. a fourth test assembly; 61. a protection unit; 611. a protective case; 612. a box cover; 613. a safety frame; 614. a fuse; 62. a switching unit; 621. a transfer frame; 622. a three-way conductive tube; 623. tightly pushing the screw; 624. a first conductive rod; 63. a short circuit unit; 631. an insulating slide bar; 632. a spring; 633. a second conductive rod; 64. a lamp holder; 65. a bulb; 3. a temperature measurement structure; 31. a fixing frame; 32. installing a bolt; 33. a swing arm; 34. a temperature sensor.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1-12, the present invention provides a technical solution: a direct current charging pile testing device comprises a main body structure 1, a testing structure 2 and a temperature measuring structure 3; the test structure 2 is detachably arranged in the main body structure 1, and the temperature measuring structure 3 is detachably arranged on the main body structure 1.
As a preferred scheme, the main body structure 1 further comprises a main body box 11, a box cover 12, a first display screen 13, a first touch screen 14, two pairs of connecting plates 15, a storage battery 16 and a water injection port 17; the main body box 11 is of a structure without an upper wall box body, a pair of interlayer plates are embedded near the bottom end fixing, the main body box 11 is divided into an upper layer, a middle layer and a lower layer by the interlayer plates, first slots are formed in the positions, close to four corners, in the main body box 11, the middle parts of the left side wall and the right side wall of the main body box 11 and the middle parts of the front side wall and the rear side wall of the main body box 11 are respectively provided with plug connectors, a toggle slot is formed in the front side of one plug connector, the box cover 12 is detachably buckled on the main body box 11, the middle part of the upper wall of the box cover 12 is provided with an installing port, the first display screen 13 is fixedly arranged in the left side wall of the main body box 11, the first touch screen 14 is fixedly embedded in the left side wall of the main body box 11 and is positioned below the first display screen 13, one ends of the two pairs of connecting plates 15 are movably embedded in the top ends of the plug connectors respectively, charging holes are formed in the middle parts of the connecting plates 15, the storage battery 16 is fixedly arranged between the partition plates, and one end of the storage battery 16 can be charged, the front side wall of the main body box 11 is fixedly embedded in the front side wall of the partition plate, and is positioned below the partition plate.
As a preferred solution, the test structure 2 includes a cavity-splitting rack 21, two pairs of charging sockets 22, a first test assembly 23, a second test assembly 24, a third test assembly 25 and a fourth test assembly 26; the straight pipe part of the cavity separating frame 21 is of a rectangular pipe body structure, partition plates are arranged at four corners, the cavity separating frame 21 is close to four side walls at the top end and is provided with a plurality of ventilation holes, the cavity separating frame 21 is inserted into a first slot in the main body box 11 through the partition plates, the inner cavity at the top end of the main body box 11 is divided into four areas, two pairs of charging sockets 22 are detachably arranged in the middle parts of the side walls of the cavity separating frame 21 respectively, protective wires are arranged in the charging sockets 22, and a first testing assembly 23, a second testing assembly 24, a third testing assembly 25 and a fourth testing assembly 26 are detachably arranged on the cavity separating frame 21 respectively and are located in one area respectively and correspond to the connecting plates 15 respectively.
Preferably, the first testing component 23 further comprises a voltage detector 231 and a current detector 232; the voltage detector 231 is fixedly disposed on one of the partition plate sidewalls, the current detector 232 is fixedly disposed on the other partition plate sidewall, and corresponds to the voltage detector 231, and the voltage detector 231 and the current detector 232 are respectively connected in series with one of the charging sockets 22 through wires and respectively connected with the first display screen 13.
Preferably, the second testing component 24 includes a fan 241 and a semiconductor cooling plate 242, the fan 241 is fixedly embedded in the mounting opening of the case cover 12, the fan 241 is connected with the other charging socket 22 through a wire, the semiconductor cooling plate 242 is fixedly embedded in one side wall of the cavity-splitting frame 21 and is located above the other charging socket 22, the heating surface of the semiconductor cooling plate 242 is located in the cavity-splitting frame 21, and the fan 241 and the semiconductor cooling plate 242 are respectively connected in series with the other charging socket 22 through wires.
Preferably, the third testing assembly 25 includes a liquid pump 251 and a spray head 252; the liquid pump 251 is fixedly arranged on the inner lower wall of the main body box 11 and below the partition plate, the spray head 252 is detachably arranged on the side wall of the cavity separating frame 21 and above the other charging socket 22, the spray head 252 is connected with the liquid outlet end of the liquid pump 251 through a pipeline, and the liquid pump 251 is respectively connected with the storage battery 16 and the first touch screen 14.
Preferably, the fourth testing assembly 26 further comprises a protection unit 61, a switching unit 62, a short-circuit unit 63, a lamp holder 64 and a bulb 65; the protection unit 61 is fixedly arranged on one of the side walls of the main body box 11 and is positioned at the rear side of the toggle groove, the switching unit 62 is fixedly arranged on the side wall of the cavity separating frame 21 and is positioned above the last charging socket 22, the short circuit unit 63 is movably embedded in the toggle groove, the lamp holder 64 is fixedly penetrated through the upper wall of the box cover 12, the lamp holder 64 is connected with the switching unit 62 through a wire, and the bulb 65 is detachably arranged on the lamp holder 64.
Preferably, the protection unit 61 further includes a protection case 611, a case cover 612, a pair of fuse holders 613, and a fuse 614; the protection box 611 is fixedly arranged on the side wall of the main body box 11 and is positioned at the rear side of the poking groove, the left end of the front side wall of the protection box 611 is provided with a sliding groove communicated with the upper side wall and the lower side wall of the interior, one end of the box cover 612 is movably inserted in the sliding groove and positioned in the protection box 611, one ends of a pair of safety frames 613 respectively penetrate through the upper wall of the protection box 611 in a fixed mode, the other ends of the safety frames 613 respectively correspond to each other in protection, two ends of a fuse 614 are respectively detachably arranged between the other ends of the safety frames 613, and one end of one safety frame 613 is connected with one end of the last charging socket 22 through a wire.
Preferably, the adaptor unit 62 includes an adaptor bracket 621, a pair of three-way conductive tubes 622, a plurality of tightening screws 623 and a first conductive rod 624; the switching frame 621 can be dismantled and arranged on the side wall of the cavity separating frame 21, a pair of three-way conducting pipes 622 are respectively fixedly embedded on two ends of the switching frame 621, one end of a first three-way conducting pipe 622 is connected with the lamp holder 64 through a wire, one end of a second three-way conducting pipe 622 is connected with the lamp holder 64 through a wire, the second end of the second three-way conducting pipe 622 is connected with the other end of the charging socket 22 through a wire, the second end of the first three-way conducting pipe 622 is connected with one end of another safety frame 613 through a wire, a plurality of jacking screws 623 are respectively movably screwed in three ends of the three-way conducting pipe 622, and one end of the first conducting pipe 624 can be detachably inserted in the third end of the second three-way conducting pipe 622.
As a preferred solution, the short-circuit unit 63 includes an insulation slide 631, a spring 632, and a second conductive rod 633; the insulating slide bar 631 is movably embedded in the stirring groove, the insulating slide bar 631 is of an L-shaped structure, one end of the spring 632 is fixedly embedded in the lower wall in the stirring groove, the other end of the spring 632 is fixedly connected to the lower wall of the insulating slide bar 631, one end of the second conductive rod 633 is fixedly arranged at the other end of the insulating slide bar 631 and is positioned in the main body box 11, the second conductive rod 633 is connected with the third end of the first three-way conductive tube 622 through a wire, and the second conductive rod 633 can move upwards by means of the insulating slide bar 631 and can be in contact with the first conductive rod 624.
As a preferable scheme, the temperature measuring structure 3 comprises a fixed frame 31, a mounting bolt 32, a swinging arm 33 and a plurality of temperature sensors 34; the mount 31 is Y type structure, and mount 31 wherein both ends detachably set up respectively on one of them adjacent lateral wall of main part case 11, and mounting bolt 32 activity connects soon in mount 31 other one end, and swing arm 33 one end activity inlays in mount 31 other one end, and activity suit is on mounting bolt 32, and swing arm 33 can be parallel with two lateral walls of main part case 11 respectively, and swing arm 33 other end lateral wall equidistance is provided with a plurality of wire casings, and a plurality of temperature sensors 34 are fixed respectively to be set up on the wire casing inside wall, and temperature sensor 34 links to each other with first display screen 13 respectively.
Preferably, a drain is provided in the lower wall of one of the areas of the main body tank 11 and below the spray head 252 for outflow after spraying.
Examples: as can be seen from fig. 1 to fig. 12 of the specification, a testing method of a dc charging pile testing device includes the following steps:
step (1), placing a main body box 11 in a main body structure 1 on the ground or other platforms to enable the main body box to be close to a detected charging pile;
Step (2), then the charging gun on the charging pile passes through the charging connecting holes of the connecting plate 15, and can be respectively connected with the four charging sockets 22 on the cavity dividing frame 21, or the connecting plate 15 can be turned over to be opened for connection, and the detection and the use under different states can be carried out through the first test assembly 23, the second test assembly 24, the third test assembly 25 and the fourth test assembly 26 in the test structure 2;
Step (3), when the first test component 23 is used for testing, the charging gun is in plug connection with the charging socket 22 for supplying power, so that the voltage detector 231 and the current detector 232 are electrified, and further the voltage and current values output by the charging gun are displayed through the first display screen 13, and whether the charging pile provides corresponding rated voltage and current is checked;
step (4), when the test is performed by the second test assembly 24, the power is supplied through the connection between the charging gun and the charging socket 22, so that the semiconductor refrigerating sheet 242 and the fan 241 are electrified, the temperature of the refrigerating surface of the semiconductor refrigerating sheet 242 is low, the plug environment of the charging gun is reduced, whether the charging gun can continuously supply power in the low-temperature environment is tested, if the charging gun can not supply power, the fan 241 stops driving, and the energy of the heating surface is discharged outwards through the rotation of the fan 241, so that conservation is maintained;
step (5), after the charging gun is connected with the charging socket 22 through the test of the third test assembly 25, the storage battery 16 can be charged, and by means of the power supply of the storage battery 16 or the power supply of the charging gun, the liquid pump 251 is controlled through the first touch screen 14 to drive, the water added by the water filling port 17 at the bottom of the main body box 11 is extracted and sprayed out through the spray head 252, and then the positions of the charging gun and the charging socket 22 are sprayed, so that whether the charging gun is affected by rainwater is detected;
In the step (6), when the fourth test component 26 is passed, after the charging gun is connected with the charging socket 22, the anode and cathode of the charging socket 22 are connected with the three-way conductive tube 622 in the transfer frame 621 of the transfer unit 62 through the lead wire, so that the bulb 65 on the lamp holder 64 can be electrified to make the lamp plate work; then, the insulating slide bar 631 in the short-circuit unit 63 can be manually pushed upwards to stretch the spring 632, and the second conductive rod 633 is contacted with the first conductive rod 624 fixed by the tightening screw 623, so that the wires on the second conductive rod 633 are connected with the second conductive rod 633, that is, the positive and negative poles of the switching unit 62, namely the bulb 65, are connected in parallel to realize short-circuit; at this time, the positive and negative poles of the power supply only flow through the protection unit 61 and the switching unit 62; at the moment, detecting whether the empty switch in the charging pile can trip for protection in a short circuit state;
In the protection unit 61, the fuse 614 in the protection box 611 is blown to protect the protection unit with the time of the short circuit, and the short circuit is cut off; the cover 612 can be opened, and the fuse 614 can be detached from the safety frame 613 for replacement; releasing the insulating slide bar 631, and disconnecting the second conductive rod 633 from the first conductive rod 624 by means of the restoring tension of the spring 632;
In the detection process of the charging gun and the charging pile, the swinging arm 33 in the temperature measurement structure 3 can be overturned on the fixing frame 31 through the mounting bolt 32, so that the power line of the charging gun is clamped in the limiting groove in a curved reciprocating manner and is contacted with the temperature sensor 34, and the temperature of the power line of the charging gun in different states can be realized and displayed through the first display screen 13; it is possible to detect whether or not the power supply line has high temperature resistance, and whether or not the power supply line is spontaneously ignited due to a temperature rise in a short-circuit state or a use state.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (2)
1. The utility model provides a direct current fills electric pile testing arrangement which characterized in that: comprises a main body structure (1), a test structure (2) and a temperature measurement structure (3); the test structure (2) is detachably arranged in the main body structure (1), and the temperature measuring structure (3) is detachably arranged on the main body structure (1);
The main body structure (1) comprises a main body box (11), a box cover (12), a first display screen (13), a first touch screen (14), two pairs of connecting plates (15), a storage battery (16) and a water injection port (17);
The main body box (11) is of a box body structure without an upper wall, a pair of interlayer plates are fixedly embedded near the bottom end, the interlayer plates divide the main body box (11) into an upper layer, a middle layer and a lower layer, first slots are formed in the parts, close to four corners, of the main body box (11), inserting ports are formed in the middle parts of the left side wall and the right side wall of the main body box (11) and the middle parts of the front side wall and the rear side wall of the main body box, a toggle slot is formed in the front side of one inserting port, the box cover (12) is detachably buckled on the main body box (11), a mounting port is formed in the middle part of the upper wall of the box cover (12), the first display screen (13) is fixedly arranged in the left side wall of the main body box (11), the first touch screen (14) is fixedly embedded in the left side wall of the main body box (11), and is positioned below the first display screen (13), one ends of the two pairs of connecting plates (15) are movably embedded in the top ends of the inserting ports respectively, charging connecting ports are formed in the middle parts of the connecting plates (15), the storage batteries (16) are fixedly arranged between the partition plates, the partition plates (16) and the partition plates (16) are fixedly arranged at one ends, and the partition plates (17) are fixedly arranged at the front side of the partition plates (17) and can be fixedly embedded at the front one end;
the test structure (2) comprises a cavity separation frame (21), two pairs of charging sockets (22), a first test assembly (23), a second test assembly (24), a third test assembly (25) and a fourth test assembly (26);
The device comprises a main body box (11), a cavity separating frame (21), a first testing component (23), a second testing component (24), a third testing component (25) and a fourth testing component (26), wherein the cavity separating frame (21) is of a rectangular pipe body structure, partition plates are arranged at four corners, a plurality of vent holes are formed in the four side walls of the cavity separating frame (21) close to the top end, the cavity separating frame (21) is inserted into a first slot in the main body box (11) through the partition plates, the top end inner cavity of the main body box (11) is divided into four areas, two pairs of charging sockets (22) are respectively detachably arranged in the middle parts of the side walls of the cavity separating frame (21), and protection wires are arranged in the charging sockets (22), and the first testing component (23), the second testing component (24), the third testing component (25) and the fourth testing component (26) are respectively detachably arranged on the cavity separating frame (21), are respectively located in one area and respectively correspond to a connecting plate (15);
The first test assembly (23) comprises a voltage detector (231) and a current detector (232); the voltage detector (231) is fixedly arranged on one partition plate side wall, the current detector (232) is fixedly arranged on the other partition plate side wall and corresponds to the voltage detector (231), and the voltage detector (231) and the current detector (232) are respectively connected with one charging socket (22) in series through leads and are respectively connected with the first display screen (13);
The second test assembly (24) comprises a fan (241) and a semiconductor refrigerating sheet (242), the fan (241) is fixedly embedded in a mounting port of the box cover (12), the fan (241) is connected with the other charging socket (22) through a wire, the semiconductor refrigerating sheet (242) is fixedly embedded in one side wall of the cavity separating frame (21) and is positioned above the other charging socket (22), a heating surface of the semiconductor refrigerating sheet (242) is positioned in the cavity separating frame (21), and the fan (241) and the semiconductor refrigerating sheet (242) are respectively connected with the other charging socket (22) in series through wires;
The third test assembly (25) comprises a liquid pump (251) and a spray head (252); the liquid pump (251) is fixedly arranged on the inner lower wall of the main body box (11) and is positioned below the partition plate, the spray head (252) is detachably arranged on the side wall of the cavity separating frame (21) and is positioned above the other charging socket (22), the spray head (252) is connected with the liquid outlet end of the liquid pump (251) through a pipeline, the liquid pump (251) is respectively connected with the storage battery (16) and the first touch screen (14), and the lower wall of one area in the main body box (11) is provided with a water outlet and is positioned below the spray head (252);
the fourth test assembly (26) comprises a protection unit (61), a switching unit (62), a short circuit unit (63), a lamp holder (64) and a bulb (65);
The protection unit (61) is fixedly arranged on one side wall of the main body box (11) and is positioned at the rear side of the toggle groove, the switching unit (62) is fixedly arranged on the side wall of the cavity separating frame (21) and is positioned above the last charging socket (22), the short circuit unit (63) is movably embedded in the toggle groove, the lamp holder (64) is fixedly penetrated through the upper wall of the box cover (12), the lamp holder (64) is connected with the switching unit (62) through a wire, and the bulb (65) is detachably arranged on the lamp holder (64);
the protection unit (61) comprises a protection box (611), a box cover (612), a pair of safety frames (613) and a fuse (614);
The protection box (611) is fixedly arranged on the side wall of the main box (11) and is positioned at the rear side of the toggle groove, the left end of the front side wall of the protection box (611) is provided with a sliding groove communicated with the upper side wall and the lower side wall of the inside, one end of the box cover (612) is movably inserted in the sliding groove and is positioned in the protection box (611), one end of the safety frame (613) is respectively fixed and penetrates through the upper wall of the protection box (611), the other end of the safety frame (613) is respectively positioned in the protection, two ends of the fuse (614) are respectively detachably arranged between the other ends of the safety frame (613), and one end of one safety frame (613) is connected with one end of the last charging socket (22) through a wire;
The switching unit (62) comprises a switching frame (621), a pair of three-way conducting pipes (622), a plurality of jacking screws (623) and a first conducting rod (624);
The switching frame (621) is detachably arranged on the side wall of the cavity separating frame (21), a pair of three-way conducting pipes (622) are fixedly embedded in two ends of the switching frame (621), one end of each three-way conducting pipe (622) is connected with a lamp holder (64) through a wire, one end of each three-way conducting pipe (622) is connected with the lamp holder (64) through a wire, the second end of each three-way conducting pipe (622) is connected with the other end of the charging socket (22) through a wire, the second end of each three-way conducting pipe (622) is connected with one end of the other safety frame (613) through a wire, a plurality of jacking screws (623) are movably connected in three ends of each three-way conducting pipe (622) in a rotating mode, and one end of each first conducting rod (624) is detachably inserted in a third end of each three-way conducting pipe (622);
The short-circuit unit (63) comprises an insulating slide bar (631), a spring (632) and a second conductive rod (633);
The insulation slide bar (631) is movably embedded in the toggle groove, the insulation slide bar (631) is of an L-shaped structure, one end of the spring (632) is fixedly embedded in the lower wall in the toggle groove, the other end of the spring is fixedly connected to the lower wall of the insulation slide bar (631), one end of the second conductive rod (633) is fixedly arranged at the other end of the insulation slide bar (631) and is positioned in the main body box (11), the second conductive rod (633) is connected with the third end of the first three-way conductive tube (622) through a wire, and the second conductive rod (633) can move upwards by means of the insulation slide bar (631) and can be in contact with the first conductive rod (624);
the temperature measuring structure (3) comprises a fixing frame (31), a mounting bolt (32), a swinging arm (33) and a plurality of temperature sensors (34);
The fixing frame (31) is of a Y-shaped structure, two ends of the fixing frame (31) are detachably arranged on one pair of adjacent side walls of the main body box (11) respectively, the mounting bolts (32) are movably connected in the other ends of the fixing frame (31) in a screwed mode, one end of the swinging arm (33) is movably embedded in the other ends of the fixing frame (31) and is movably sleeved on the mounting bolts (32), the swinging arm (33) can be parallel to two side walls of the main body box (11) respectively, a plurality of wire grooves are formed in the side walls of the other end of the swinging arm (33) at equal intervals, a plurality of temperature sensors (34) are fixedly arranged on the inner side walls of the wire grooves respectively, and the temperature sensors (34) are connected with the first display screen (13) respectively.
2. The test method of the direct current charging pile test device according to claim 1, wherein: the method comprises the following steps:
the method comprises the steps of (1) placing a main body box (11) in a main body structure (1) on the ground or other platforms to enable the main body box to be close to a detected charging pile;
Step (2), then the charging gun on the charging pile passes through the charging connecting holes of the connecting plate (15) and can be respectively connected with the four charging sockets (22) on the cavity separating frame (21), or the connecting plate (15) can be turned over and opened for connection, and detection and use under different states can be carried out through the first test component (23), the second test component (24), the third test component (25) and the fourth test component (26) in the test structure (2);
Step (3), when the first test assembly (23) is used for testing, the charging gun is in plug connection with the charging socket (22) for supplying power, so that the voltage detector (231) and the current detector (232) are electrified, and further the voltage and current values output by the charging gun are displayed through the first display screen (13), and whether the charging pile provides corresponding rated voltage and current is checked;
Step (4), when the second test assembly (24) is used for testing, the power is supplied through the connection of the charging gun and the charging socket (22), so that the semiconductor refrigerating sheet (242) and the fan (241) are electrified, the temperature of the refrigerating surface of the semiconductor refrigerating sheet (242) is lowered, the plug environment of the charging gun is lowered, whether the charging gun can continuously supply power in the low-temperature environment is tested, if the charging gun can not be driven by the power supply colored fan (241), and the energy of the heating surface is discharged outwards by the rotation of the fan (241) to keep conservation;
step (5), testing through a third testing assembly (25), after connecting a charging gun with a charging socket (22), charging a storage battery (16), controlling a liquid pump (251) to drive through a first touch screen (14) by means of power supply of the storage battery (16) or power supply of a charging gun, extracting water added through a water filling port (17) at the bottom of a main body box (11), spraying through a spray head (252), spraying the charging gun and the charging socket (22), and detecting whether the charging gun is affected by rainwater or not;
When the fourth testing component (26) is passed, the charging gun is connected with the charging socket (22), the anode and the cathode of the charging socket (22) are connected with the three-way conducting tube (622) in the transfer frame (621) of the transfer unit (62) through the conducting wire, so that the bulb (65) on the lamp holder (64) can be electrified, and the lamp plate can be lightened; then, the insulating slide bar (631) in the short-circuit unit (63) can be manually pushed upwards to stretch the spring (632), the second conducting rod (633) is contacted with the first conducting rod (624) fixed by the jacking screw (623), and the conducting wire on the second conducting rod (633) is connected with the second conducting rod (633), namely, the positive electrode and the negative electrode of the switching unit (62), namely, the bulb (65), are connected in parallel to realize short circuit; at this time, the positive and negative poles of the power supply only flow through the protection unit (61) and the switching unit (62); at the moment, detecting whether the empty switch in the charging pile can trip for protection in a short circuit state;
In the protection unit (61), the fuse (614) in the protection box (611) is fused to protect the protection unit with the time of short circuit, and the power supply of the short circuit is cut off; opening the box cover (612), and detaching and replacing the fuse (614) from the fuse frame (613); releasing the insulating slide bar (631), and disconnecting the second conductive rod (633) from the first conductive rod (624) by means of a spring (632) reset tension;
In the detection process of the charging gun and the charging pile, the swinging arm (33) in the temperature measurement structure (3) can be overturned on the fixing frame (31) through the mounting bolt (32), so that the power line of the charging gun is clamped in the limiting groove in a curved reciprocating manner and is contacted with the temperature sensor (34), and the temperature of the power line of the charging gun in different states can be realized and displayed through the first display screen (13); it is possible to detect whether or not the power supply line has high temperature resistance, and whether or not the power supply line is spontaneously ignited due to a temperature rise in a short-circuit state or a use state.
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